Yes, we are using outb()'s. We are using the real time clock to generate a
random number to help generate a random number for hostid.
+ static int32_t
+ set_soft_hostid(void)
+ {
+ struct _buf *file;
+ char tokbuf[MAXNAMELEN];
+ token_t token;
+ int done = 0;
+ int i;
+ u_longlong_t tmp;
+ int32_t hostid = -1;
+ unsigned char reg, *c;
+ struct rtc_t rtc;
+ todinfo_t tod;
+
+ /*
+ * If /etc/hostid file not found, we'd like to get a pseudo
+ * random number to use at the hostid. A nice way to do this
+ * is to read the real time clock, but if it's invalid, we
+ * just punt, and use the value of tenmicrodata, hoping it
+ * is random enough.
+ */
+
+ if ((file = kobj_open_file(hostid_file)) == (struct _buf *)-1) {
+ /* hostid file not found */
+
+ /* stolen from todpc_rtcget() and friends */
+ mutex_enter(&tod_lock);
+ outb(RTC_ADDR, RTC_D);
+ reg = inb(RTC_DATA);
+ if ((reg & RTC_VRT) == 0) { /* clock invalid */
+ hostid = (int32_t)tenmicrodata; /* punt */
+ } else {
+ for (i = 0, c = (unsigned char *)&rtc;
+ i < RTC_NREG; i++) {
+ outb(RTC_ADDR, i);
+ *c++ = inb(RTC_DATA);
+ }
+
+ tod.tod_year = BCD_TO_BYTE(rtc.rtc_yr);
+ if (tod.tod_year < 69)
+ tod.tod_year += 100;
+
+ tod.tod_month = BCD_TO_BYTE(rtc.rtc_mon);
+ tod.tod_day = BCD_TO_BYTE(rtc.rtc_dom);
+ /* day of week < 10; no conversion needed */
+ tod.tod_dow = rtc.rtc_dow;
+ tod.tod_hour = BCD_TO_BYTE(rtc.rtc_hr);
+ tod.tod_min = BCD_TO_BYTE(rtc.rtc_min);
+ tod.tod_sec = BCD_TO_BYTE(rtc.rtc_sec);
+ hostid = (int32_t)tod_to_utc(tod);
+ }
+ mutex_exit(&tod_lock);
+ } else {
+ /* hostid file found */
...
Stuart Maybee wrote:
>
> Solaris currently does not support assigning devices to domU and thus
> also at this time does not permit domU to perform in/out instructions.
> You crashed because you attempted an out instruction.
> Did your changes include adding i/o instructions to Solaris domU?
> There is an outb in startup_modules() but it is ifdef'd out for an
> i86xpv build. Are you sure you attempted to boot an i86xpv kernel in
> your domU?
>
> Margot H. Miller wrote:
>> We based our Solaris build on build 80 and made some minor kernel
>> changes for our project
>> and in the install consolidation and wanted to test them with xen to
>> ensure we didn't break anything. I installed our modified build 80
>> and then tried to install that same iso on a domU. It crashed as
>> seen below. Reproducible. Then used the build 86 iso from internal
>> Sun server nana
>> and the domU install is working now. We are going to resync with the
>> latest xen changes and rebuild but wanted to know if anything below
>> jumps out or if anyone has any trouble shooting tips.
>> Thanks,
>> Margot
>>
>> # virt-install
>> What is the name of your virtual machine? dom-1
>> How much RAM should be allocated (in megabytes)? 500
>> What would you like to use as the disk (path)? /export/home/dom1.img
>> How large would you like the disk (/export/home/dom1.img) to be (in
>> gigabytes)? 10
>> Would you like to enable graphics support? (yes or no) no
>> What is the install location? /export/home/solarisdvd.iso
>>
>>
>> Starting install...
>> Creating storage file... 100% |=========================| 10 GB
>> 00:00 Creating
>> domain... 0 B 00:20
>> v3.0.4-1-xvm chgset 'Tue Dec 04 09:56:10 2007 +0000 13231:11a40bfd0ad8'
>> SunOS Release 5.11 Version psylocke:onnv-hostid:01-25-2008 32-bit
>> Copyright 1983-2007 Sun Microsystems, Inc. All rights reserved.
>> Use is subject to license terms.
>> DEBUG enabled
>>
>> panic[cpu0]/thread=f502c620: BAD TRAP: type=d (#gp General
>> protection) rp=f50571d0 addr=f502c620
>>
>> #gp General protection
>> addr=0xf502c620
>> pid=0, pc=0xf4c4b219, sp=0xf4c2e0e1, eflags=0x10086
>> cr0: 80050033<pg,wp,ne,et,mp,pe> cr4: 660<xmme,fxsr,mce,pae>
>> cr2: 0
>> gs: 1b1 fs: f5050000 es: f5050161 ds: f5050161
>> edi: 0 esi: f502c620 ebp: f505738c esp: f5057208
>> ebx: ffffffff edx: f5020070 ecx: f50b0258 eax: d
>> trp: d err: 0 eip: f4c4b219 cs: 159
>> efl: 10086 usp: f4c2e0e1 ss: 70
>>
>> cpu address timestamp type vc handler pc
>> 0 f505b20c 179d4e29b6d8 trap 400 ast cmntrap+183
>> 0 f505b164 179d4e29a188 trap d #gp outb+9
>>
>> f505711c unix:die+105 (d, f50571d0, f502c6)
>> f50571bc unix:trap+3b5 (f50571d0, f502c620,)
>> f50571d0 unix:cmntrap+18b (1b1, f5050000, f505)
>> f505738c unix:outb+9 (0, f502c620, f502bd)
>> f50573b8 unix:startup_modules+d7 (f50573e0, f4d9438b,)
>> f50573c0 unix:startup+35 (f4c00010, f50531e8,)
>> f50573e0 genunix:main+5b ()
>>
>> skipping system dump - no dump device configured
>> rebooting...
>>
>>
>> This message posted from opensolaris.org
>> _______________________________________________
>> xen-discuss mailing list
>> [email protected]
>
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